Finding the Fourth Proportional to 8,167,961.70, 12,251,942.55 and 3,374,057.70
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Solution
The fourth proportional to 8,167,961.70, 12,251,942.55 and 3,374,057.70 is: 5,061,086.55
Step by Step Solution
- Step 1: Write the proportion equation
8,167,961.70 : 12,251,942.55 = 3,374,057.70 : x - Step 2: Convert to fraction form
8,167,961.70/12,251,942.55 = 3,374,057.70/x - Step 3: Cross multiply
8,167,961.70x = 12,251,942.55 × 3,374,057.70 - Step 4: Simplify right side
8,167,961.70x = 41,338,761,100,785.14 - Step 5: Solve for x
x = 41,338,761,100,785.14/8,167,961.70 - Step 6: Final answer
x = 5,061,086.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.